Home / 410,743.17-569,725.43-399,819.11

Finding the Fourth Proportional to 410,743.17, 569,725.43 and 399,819.11

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Solution

The fourth proportional to 410,743.17, 569,725.43 and 399,819.11 is: 554,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,743.17 : 569,725.43 = 399,819.11 : x
  2. Step 2: Convert to fraction form
    410,743.17/569,725.43 = 399,819.11/x
  3. Step 3: Cross multiply
    410,743.17x = 569,725.43 × 399,819.11
  4. Step 4: Simplify right side
    410,743.17x = 227,787,111,768.23
  5. Step 5: Solve for x
    x = 227,787,111,768.23/410,743.17
  6. Step 6: Final answer
    x = 554,573.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.